The hexadecimal color code #EFCF01 represents a medium shade in the orange family. In the RGB color model, this color is composed of 239 red, 207 green, and 1 blue, which translates to approximately 94% red, 81% green, and 0% blue. This makes it a highly saturated color with warm undertones that can evoke different emotional responses depending on its application.
When analyzed in the HSL (Hue, Saturation, Lightness) color space, #EFCF01 has a hue of 52 degrees, a saturation level of 99%, and a lightness value of 47%. The hue angle of 52° places this color firmly in the orange spectrum. In the HSV/HSB color model, this translates to a hue of 52°, saturation of 100%, and brightness/value of 94%.
For print applications using the CMYK color model, #EFCF01 would be reproduced using 0% cyan, 13% magenta, 100% yellow, and 6% black. The closest web-safe color is #FFCC00, which may be useful for ensuring compatibility across older displays and systems.
This color works well in various design contexts. With its medium lightness, it's versatile enough for both foreground elements and subtle backgrounds. The high saturation makes this color vibrant and attention-grabbing, ideal for call-to-action buttons, highlights, and accent elements. When pairing #EFCF01 with other colors, consider its complementary color at hue 232° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 15716097, which can be useful in certain programming contexts.
🔢 Color Conversion Codes for #EFCF01
Tailwind CSS
yellow-400
HEX
#EFCF01
RGB
rgb(239, 207, 1)
RGB %
94%, 81%, 0%
HSL
hsl(52, 99%, 47%)
HSV
hsv(52, 100%, 94%)
CMYK
0%, 13%, 100%, 6%
Decimal
15716097
Web Safe
#FFCC00
🎨 Color Schemes for #EFCF01
Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)
🔄 Alternatives to #EFCF01
🌗 Shades and Tints of #EFCF01
Shades (adding black)
Tints (adding white)
🎚️ Tones of #EFCF01
Tones (adding gray / desaturating)
🌈 Hue Variations of #EFCF01
Hue Variations (shifting the color spectrum)
👁️ Preview of #EFCF01 in Use
Text on #EFCF01
This demonstrates text readability on the color background. (Click to edit)
#EFCF01 as Text
This shows the color used as text on white. (Click to edit)
👓 Color Blindness Simulation for #EFCF01
Check how a color is perceived by people with different types of color blindness to create more accessible designs. Understanding color perception helps ensure your content is accessible to everyone.
Vivid Amber is a medium, vibrant, warm orange color with a hue angle of 52°, saturation of 99%, and lightness of 47%. Its RGB value is (239, 207, 1) and its CMYK breakdown is C:0% M:13% Y:100% K:6%.
This is a Spring (Vital) color palette archetype. Creativity, Adventure, Enthusiasm, Success. Orange combines the energy of red and the happiness of yellow.
Frequently Asked Questions About #EFCF01
What is the HEX code for Vivid Amber? +
The HEX code for Vivid Amber is #EFCF01. In CSS you can use it directly as color: #EFCF01; or as a background: background-color: #EFCF01;. The three-character shorthand is not available for this color since it cannot be reduced without changing the value. Use the full six-character hex for accurate reproduction in any web or design project.
What is the RGB value of #EFCF01? +
The RGB value of #EFCF01 is rgb(239, 207, 1). This means the color contains 239 out of 255 parts red, 207 out of 255 parts green, and 1 out of 255 parts blue. Red is the strongest channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(239, 207, 1);
What is the HSL value of #EFCF01? +
The HSL value of #EFCF01 is hsl(52, 99%, 47%). The hue is 52°, placing it in the orange family on the color wheel. The saturation is 99%, making it vibrant. The lightness is 47%, making it medium. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.
Is #EFCF01 a warm or cool color? +
#EFCF01 is classified as a warm color based on its hue angle of 52°. Warm colors — reds, oranges, and yellows — evoke energy, enthusiasm, and urgency. They tend to advance visually and draw the eye. In design, warm colors are often used for calls-to-action, food and hospitality brands, and anywhere a feeling of warmth or excitement is desired.
What is the CMYK value of #EFCF01? +
The approximate CMYK value of #EFCF01 is C:0% M:13% Y:100% K:6%. CMYK (Cyan, Magenta, Yellow, Key/Black) is the color model used in physical printing. Unlike RGB which mixes light additively on screens, CMYK mixes inks subtractively on paper. Note that the RGB-to-CMYK conversion is an approximation — screen colors and print colors exist in different color gamuts, and some screen colors cannot be exactly reproduced in print. For precise print work, consult a professional print color profile or Pantone matching system.
